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Mn-incorporated ZnSe and CdSe 1-dimensional Nanostructures

Published online by Cambridge University Press:  01 February 2011

Seonoh Hwang ,
Jinyoung Lee ,
Hyunju Lee ,
Sangwon Yoon  and
Jeunghee Park
Seonoh Hwang
Affiliation:
[email protected], korea university, chemistry, Jochiwon 339-700, Korea, Republic of
Jinyoung Lee
Affiliation:
[email protected], korea university, chemistry, Jochiwon, 339-700, Korea, Republic of
Hyunju Lee
Affiliation:
[email protected], korea university, chemistry, Jochiwon, 339-700, Korea, Republic of
Sangwon Yoon
Affiliation:
[email protected], korea university, chemistry, Jochiwon, 339-700, Korea, Republic of
Jeunghee Park
Affiliation:
[email protected], korea university, chemistry, Jochiwon, 339-700, Korea, Republic of
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Abstract

Novel Mn-incorporated ZnSe and CdSe 1-dimensionl nanostructures; straight nanowires, zigzagged nanobelts, and nanohooks, were first synthesized using chemical vapor deposition method. The Mn content reaches up to 40%. They all consisted of single-crystalline wurtzite structure for all Mn content. The structure has been thoroughly investigated by high-resolution transmission electron microscopy images as well as energy-dispersive X-ray fluorescence spectroscopy. The X-ray diffraction pattern confirms the formation of the wurtzite structure, even for 40% Mn incorporation. The lattice constants of Mn-doped ZnSe and CdSe 1-D nanostructures are expanded and reduced, respectively, by the Mn doping. The Mn2+ emission at 2.1 eV, originating from the d-d (4T1 → 6A1) transition, confirms the effective paramagnetic Mn2+ doping at tetrahedral coordinate sites. These Mn-incorporated nanostructures exhibit a paramagnetic behavior.

Keywords

nanostructurechemical vapor deposition (CVD) (deposition)Mn
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 963: Symposium Q – Nanowires and Carbon Nanotubes – Science and Applications , 2006 , 0963-Q10-10
Copyright
Copyright © Materials Research Society 2007

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